Software Development
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R: Time to/from the weekend
In my last post I showed some examples using R’s lubridate package and another problem it made really easy to…
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R: Cleaning up and plotting Google Trends data
I recently came across an excellent article written by Stian Haklev in which he describes things he wishes he’d been…
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Use Cases for Elasticsearch: Analytics
In the last post in this series we have seen how we can use Logstash, Elasticsearch and Kibana for doing…
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The Inconvenient Truth About Dynamic vs. Static Typing
Sometimes there are these moments of truth. They happen completely unexpectedly, such as when I read this tweet: Good discussion…
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If you could only do one thing to make better software, what would it be?
Good technical practices are what we have to do to make good software – this is the engineering part of…
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Developers want to be heard
How often have you been in this situation? You’re in a meeting with the team and you’re all discussing the…
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Why do we mock?
I do Java interviews. During the interviews I ask technical question that I know the answer for. You may think…
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Do You Really Understand SQL’s GROUP BY and HAVING clauses?
There are some things in SQL that we simply take for granted without thinking about them properly. One of these…
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The downside of version-less optimistic locking
Introduction In my previous post I demonstrated how you can scale optimistic locking through write-concerns splitting. Version-less optimistic locking is…
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